Legrand QSFP+ 40GBASE-ER4 Transceiver Module
The Legrand QSFP+ 40GBASE-ER4 transceiver module is engineered for enterprises and data centers requiring high-performance 40 Gigabit Ethernet connectivity over extended distances. This Brocade-compatible module delivers reliable long-reach fiber optic transmission up to 40 km, making it ideal for campus networks, disaster recovery links, and metropolitan area networks (MANs). With integrated digital optical monitoring (DOM), you gain real-time diagnostics and enhanced network visibility. Perfect for organizations upgrading to 40G infrastructure while maintaining compatibility with existing Brocade switching environments.
Key Features
- 40 Gigabit Ethernet performance over singlemode fiber
- Extended transmission range up to 40 km for long-distance connectivity
- Brocade compatible for seamless integration with existing infrastructure
- LC connector interface for standard fiber optic deployment
- Digital optical monitoring (DOM) for real-time link diagnostics
- 1270–1330 nm wavelength operation for optimal signal integrity
- Hot-pluggable design for flexible network expansion
Technical Specifications
| Specification |
Details |
| Manufacturer |
Legrand DAT |
| Part Number |
QSFP-40G-ER4-OP |
| Protocol |
40GBASE-ER4 |
| Data Rate |
40 Gigabit Ethernet |
| Transmission Distance |
Up to 40 km |
| Fiber Type |
Singlemode fiber (SMF) |
| Connector Type |
LC duplex |
| Wavelength |
1270–1330 nm |
| Monitoring |
Digital Optical Monitoring (DOM) |
| Form Factor |
QSFP+ (Quad Small Form-factor Pluggable) |
| Compatibility |
Brocade compatible |
Frequently Asked Questions
What is a QSFP+ 40GBASE-ER4 transceiver module?
A QSFP+ 40GBASE-ER4 transceiver is a hot-pluggable optical module that enables 40 Gigabit Ethernet transmission over singlemode fiber at distances up to 40 km. The ER4 designation indicates extended-range capability, making it suitable for long-distance enterprise and data center applications.
Is this module compatible with Brocade switches?
Yes, the Legrand QSFP+ 40GBASE-ER4 is Brocade compatible, ensuring seamless integration with Brocade switching platforms. This compatibility eliminates vendor lock-in concerns and simplifies network upgrades.
How far can this transceiver transmit data?
This 40GBASE-ER4 module supports transmission distances up to 40 km over singlemode fiber, making it ideal for campus interconnects, metropolitan networks, and disaster recovery links between geographically dispersed data centers.
What is digital optical monitoring (DOM) and why does it matter?
Digital optical monitoring provides real-time diagnostics of optical signal quality, including power levels and temperature. DOM enables proactive network management, faster troubleshooting, and improved uptime by alerting administrators to potential link degradation before service interruption occurs.
